Alarm clock



FIG. 1 is a perspective open view of the alarm clock.

FIG. 2 is a top fully opened view thereof.

FIG. 3 is a bottom fully opened view thereof.

FIG. 4 is a perspective closed view thereof.

FIG. 5 is a rear closed view thereof; and,

FIG. 6 is a front closed view thereof. 

The ornamental design for a alarm clock, as shown and described. 